91eb2b78a7
Update the OFED Infiniband core to the version supplied in Linux
version 3.7.
The update to OFED is nearly all additional defines and functions
with the exception of the addition of additional parameters to
ib_register_device() and the reg_user_mr callback.
In addition the ibcore (Infiniband core) and ipoib (IP over Infiniband)
have both been made into completely loadable modules to facilitate
testing of the OFED stack in FreeBSD.
Finally the Mellanox Infiniband drivers are now updated to the
latest version shipping with Linux 3.7.
Submitted by: Mellanox FreeBSD driver team:
Oded Shanoon (odeds mellanox.com),
Meny Yossefi (menyy mellanox.com),
Orit Moskovich (oritm mellanox.com)
Approved by: re
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUX_IDR_H_
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#define _LINUX_IDR_H_
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#include <sys/kernel.h>
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#define IDR_BITS 5
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#define IDR_SIZE (1 << IDR_BITS)
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#define IDR_MASK (IDR_SIZE - 1)
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#define MAX_ID_SHIFT ((sizeof(int) * NBBY) - 1)
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#define MAX_ID_BIT (1U << MAX_ID_SHIFT)
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#define MAX_ID_MASK (MAX_ID_BIT - 1)
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#define MAX_LEVEL (MAX_ID_SHIFT + IDR_BITS - 1) / IDR_BITS
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#define MAX_IDR_SHIFT (sizeof(int)*8 - 1)
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#define MAX_IDR_BIT (1U << MAX_IDR_SHIFT)
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#define MAX_IDR_MASK (MAX_IDR_BIT - 1)
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struct idr_layer {
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unsigned long bitmap;
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struct idr_layer *ary[IDR_SIZE];
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};
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struct idr {
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struct mtx lock;
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struct idr_layer *top;
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struct idr_layer *free;
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int layers;
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};
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#define DEFINE_IDR(name) \
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struct idr name; \
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SYSINIT(name##_idr_sysinit, SI_SUB_DRIVERS, SI_ORDER_FIRST, \
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idr_init, &(name));
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void *idr_find(struct idr *idp, int id);
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int idr_pre_get(struct idr *idp, gfp_t gfp_mask);
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int idr_get_new(struct idr *idp, void *ptr, int *id);
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int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id);
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void *idr_replace(struct idr *idp, void *ptr, int id);
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void idr_remove(struct idr *idp, int id);
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void idr_remove_all(struct idr *idp);
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void idr_destroy(struct idr *idp);
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void idr_init(struct idr *idp);
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#endif /* _LINUX_IDR_H_ */
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